ABB CM582-DP PROFIBUS DP Slave Communication Module
An isolated PROFIBUS DP slave interface connects a compatible AC500 station to a supervising DP master.
Product Profile
CM582-DP provides the slave side of a PROFIBUS DP network for ABB AC500 controllers. It uses an isolated RS-485 D-sub interface and a dedicated NETX communication processor. The module handles cyclic process exchange as well as defined acyclic, configuration and parameter data services.
Technical Data
| Manufacturer | ABB |
|---|---|
| Article Number | 1SAP172200R0001 |
| Product Family | AC500 |
| Network Role | PROFIBUS DP slave |
| Interface | 9-pin D-sub socket |
| Physical Standard | Potential-free EIA RS-485 according to IEC 61158/61784 |
| Transfer Rate | 9.6 kbit/s to 12 Mbit/s |
| Maximum Cyclic Input Data | 244 bytes |
| Maximum Cyclic Output Data | 244 bytes |
| Maximum Acyclic Read/Write | 240 bytes |
| Configuration Data | Maximum 244 bytes |
| Application Parameters | 237 bytes |
| Processor | Hilscher NETX 100 |
| Memory | 8 MB internal RAM and 8 MB external flash |
| Typical Current Consumption | 65 mA from the 24 V DC terminal-base supply |
| Lifecycle | Active |
System Role
- Presents the AC500 controller as a slave station to a PROFIBUS DP master.
- Moves configured cyclic input and output data between the fieldbus and controller.
- Supports acyclic service requests for diagnostic or parameter-oriented access.
- Uses a dedicated communication processor and memory for the network task.
- Displays local status through five front LEDs.
Compatibility
- ABB specifies PM57x, PM58x and PM59x CPUs with TB5xx terminal bases.
- The PROFIBUS master project must include the correct device description and data lengths.
- Set the station configuration so input, output and parameter areas remain within module limits.
- Use the standard article unless the separately ordered XC environmental version is required.
- Maintain correct RS-485 cabling, shielding and termination for the selected network speed.
Applications
- Connecting an AC500 control station beneath a plant PROFIBUS master.
- Exchanging deterministic process data with a DCS or higher-level PLC.
- Adding a slave interface to installed machinery that already uses PROFIBUS DP.
- Supporting remote diagnostic and parameter services through the configured master.
- Replacing a failed module while preserving the original station address and I/O layout.
FAQ
Is CM582-DP a PROFIBUS master or slave?
This exact module is the DP slave product; ABB uses a different article for the master role.
Why must the master configuration match the data lengths?
The cyclic, acyclic and parameter areas have defined limits that the project must respect.
Which connector is used for the fieldbus?
The module provides a potential-free nine-pin D-sub RS-485 interface.
What should be retained before replacing CM582-DP?
Record the station address, GSD selection, I/O map and controller configuration.
How should high-speed PROFIBUS faults be investigated?
Inspect cable type, shielding, connector termination, station spacing and the diagnostic LEDs.
Can the XC article be ordered under the same number?
No. The environmental XC variant has a separate ABB article number.
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